GTU BE 2019 Summer Question Papers || Gujarat Technological University
Subject Code: 160903
GUJARAT TECHNOLOGICAL UNIVERSITY
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SEMESTER-VI(OLD) - EXAMINATION - SUMMER 2019
Subject Name: Microcontroller
Time: 10:30 AM TO 01:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| Q.1 | (a) Distinguish between Microcontroller and Microprocessor. Also discuss various applications of different Microcontrollers. (07) |
| (b) With suitable block diagram, explain the architecture of 8051 microcontroller. (07) | |
| Q.2 | (a) List out and explain purpose of various special function registers of 8051. (07) |
| (b) Draw internal structure of port 3 of 8051 microcontroller. Also discuss about alternate pin functions of each pin of 8051. (07) | |
| OR | |
| Q.3 | (a) Draw and explain internal RAM structure of 8051. (07) |
| (b) What is the advantage of bit wise programming in 8051? Explain with suitable instructions. (07) | |
| Q.4 | (a) List out and explain various types of addressing modes available in 8051 microcontroller. (07) |
| OR | |
| (b) Explain the advantages of Integrated Development Environment software in Program development. (07) | |
| Q.5 | (a) Differentiate between following instruction of 8051. (1) SWAP and XCHG (2) MOVX and MOVC (07) |
| (b) Write an assembly language program to count number of positive numbers in an array of ten numbers stored between external memory locations 2000H to 2009H. (07) | |
| Q.5 | (a) Explain various conditional jump instruction of 8051. (07) |
| OR | |
| (b) Explain various data types used in C Programming of 8051. (07) | |
| Q.4 | (a) Write C language program to toggle all bits of portQ continuously with a delay of 1 sec using timer 0. Assume 12MHz crystal frequency. (07) |
| (b) Distinguish between: Mode 1 and Mode 2 of 8051. Draw TCON and TMOD register configuration. (07) | |
| Q.3 | (a) Explain interfacing of multiple seven segment display with 8051. (07) |
| OR | |
| (b) Draw and explain with block schematic diagram interfacing of unipolar stepper motor with 8051. (07) | |
| Q.2 | (a) Explain I2C, SPI serial communication protocols of advanced microcontrollers. (07) |
Date: 10/05/2019
Total Marks: 70
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